4263655251 has 4 divisors (see below), whose sum is σ = 5684873672. Its totient is φ = 2842436832.

The previous prime is 4263655219. The next prime is 4263655261. The reversal of 4263655251 is 1525563624.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4263655251 - 2⁵ = 4263655219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4263655261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710609206 + ... + 710609211.

It is an arithmetic number, because the mean of its divisors is an integer number (1421218418).

Almost surely, 2^4263655251 is an apocalyptic number.

4263655251 is a deficient number, since it is larger than the sum of its proper divisors (1421218421).

4263655251 is a wasteful number, since it uses less digits than its factorization.

4263655251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421218420.

The product of its digits is 216000, while the sum is 39.

The square root of 4263655251 is about 65296.6710560347. The cubic root of 4263655251 is about 1621.5388582107.

The spelling of 4263655251 in words is "four billion, two hundred sixty-three million, six hundred fifty-five thousand, two hundred fifty-one".